It's about one-and-one-tenth times the number of Blue Whales in the World.

In other words, the count of Blue Whales in the World is 0.91 times 9,400.

(Balaenoptera musculus) (2002 estimates)
The worldwide population of blue whales (as of 2002) is estimated to be between 5,000 and 12,000. An estimated 378,200 blue whales were killed during the height of whaling in the late nineteenth and early twentieth centures

In other words, 9,400 is 0.25357 times the count of Seats in Fenway Park, and the count of Seats in Fenway Park is 3.9437 times that amount.

(2013 figures; daytime capacity) (a.k.a. The Cathedral of Boston) (Boston, Massachusetts)
Fenway Park, the home of the Boston Red Sox baseball team, can accommodate 37,071 spectators when configured for daytime seating. Fenway Park holds the record for most consecutive sellout games, with a streak of 794 sellouts that ended in 2013. This figure is a dramatic turnaround from the attendance in 1965, which was at times as low as just 500 people.